gecko-dev/xpcom/glue/nsISupportsImpl.cpp

59 lines
2.2 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla XPCOM.
*
* The Initial Developer of the Original Code is
* Benjamin Smedberg <benjamin@smedbergs.us>.
*
* Portions created by the Initial Developer are Copyright (C) 2005
* the Mozilla Foundation <http://www.mozilla.org/>. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupportsImpl.h"
nsresult NS_FASTCALL
NS_TableDrivenQI(void* aThis, const QITableEntry* entries,
REFNSIID aIID, void **aInstancePtr)
{
while (entries->iid) {
if (aIID.Equals(*entries->iid)) {
nsISupports* r =
NS_REINTERPRET_CAST(nsISupports*,
NS_REINTERPRET_CAST(char*, aThis) + entries->offset);
NS_ADDREF(r);
*aInstancePtr = r;
return NS_OK;
}
++entries;
}
return NS_ERROR_NO_INTERFACE;
}